Patna keeps UTC+5:30 (IST) all year. There is no daylight saving time, so the clock never changes.
Patna and your time
Patna at a glance
| Country | India |
|---|---|
| Region | Bihar |
| Time zone | Asia/Kolkata |
| Abbreviation now | IST |
| UTC offset now | UTC+5:30 |
| Daylight saving time | Not observed |
| Coordinates | 25.59° N, 85.14° E |
Time zone in Patna
Patna follows the Asia/Kolkata time zone and stays on UTC+5:30 all year. The tz database records no daylight saving time here since 1970.
Because UTC+5:30 ends in :30, a call booked on the hour in London or New York starts at half past the hour in Patna.
Patna is on the same time as the rest of India, including the capital, New Delhi.
Clock changes in Patna, 2026 and 2027
No clock changes are scheduled in Patna for 2026 or 2027.
How far ahead or behind Patna is
A 9:00 AM start in Patna is 10:30 PM (previous day) in New York, 2:30 PM in Sydney and 7:30 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 10 h 30 min behind | 10 h 30 min behind | 9 h 30 min behind | None |
| Los Angeles (United States) | --:-- | 13 h 30 min behind | 13 h 30 min behind | 12 h 30 min behind | None |
| London (United Kingdom) | --:-- | 5 h 30 min behind | 5 h 30 min behind | 4 h 30 min behind | 2 h 30 min |
| Paris (France) | --:-- | 4 h 30 min behind | 4 h 30 min behind | 3 h 30 min behind | 3 h 30 min |
| Dubai (United Arab Emirates) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind | 6 h 30 min |
| Singapore | --:-- | 2 h 30 min ahead | 2 h 30 min ahead | 2 h 30 min ahead | 5 h 30 min |
| Tokyo (Japan) | --:-- | 3 h 30 min ahead | 3 h 30 min ahead | 3 h 30 min ahead | 4 h 30 min |
| Sydney (Australia) | --:-- | 5 h 30 min ahead | 5 h 30 min ahead | 4 h 30 min ahead | 2 h 30 min |
| UTC | --:-- | 5 h 30 min behind | 5 h 30 min behind | 5 h 30 min behind | 2 h 30 min |
Because Patna keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise and sunset in Patna
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in Patna is at 4:58 AM on June 9, and the latest sunset at 6:45 PM on July 2.
Daylight through the year in Patna
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 5:54 AM | 6:01 PM | 12 h 7 min |
| June solstice | June 21 | 4:59 AM | 6:43 PM | 13 h 44 min |
| September equinox | September 23 | 5:38 AM | 5:45 PM | 12 h 7 min |
| December solstice | December 22 | 6:32 AM | 5:04 PM | 10 h 33 min |
When the sun is highest in Patna
Patna lies close to the centre of its time zone, so the sun is highest at about 11:50 AM on standard time, close to clock noon.
Cities near Patna
Every city below shares Patna’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Chhapra | 44 km (27 mi) | --:-- | Same time |
| Jehanabad | 45 km (28 mi) | --:-- | Same time |
| Arrah | 48 km (30 mi) | --:-- | Same time |
| Bihar Sharif | 59 km (36 mi) | --:-- | Same time |
| Muzaffarpur | 64 km (40 mi) | --:-- | Same time |
| Gaya | 90 km (56 mi) | --:-- | Same time |
| Darbhanga | 98 km (61 mi) | --:-- | Same time |
| Begusarai | 102 km (63 mi) | --:-- | Same time |
More cities in India
All time zones and cities in India
Tools for time in Patna
- Convert a time to or from Patna: pick a date and time and see it in every city on your list.
- Add Patna to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Patna and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Patna in?
Patna uses the Asia/Kolkata time zone, which is UTC+5:30 (IST) all year.
Does Patna use daylight saving time?
No. Patna stays on UTC+5:30 all year, so the time difference to places without daylight saving time never changes.
What is the time difference between Patna and New York?
Patna is 10 hours 30 minutes ahead of New York in January and 9 hours 30 minutes ahead of New York in July, because New York moves its clocks for daylight saving time and Patna does not.
Is Patna on the same time as New Delhi?
Yes. Patna and New Delhi both use UTC+5:30 right now.
How long is the longest day in Patna?
About 13 hours 44 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours 33 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.